Question

如图,写出所有的同位角,内错角,对于内错角要分别说明是哪两条直线被哪条直线所截。

如图

Answer 1

同位角有:(1)∠B和∠DCA;(2)∠B和∠DCE;(3)∠D和∠BCE;(4)∠D和∠BCA.
内错角有:
(1)直线BC和AE被AC所截:∠CAE和∠ACB;
(2)直线EA和CD被CE所截:∠CEA和∠ECD;
(3)直线AB和CE被AC所截:∠BAC和∠ACE;
(4)直线AC和DE被CE所截:∠ACE和∠CED.
同旁内角有:(1)∠B和∠BCA;(2)∠B和∠BCE;(3)∠B和∠D;(4)∠B和∠BAC;(5)∠B和∠BAE;
(6)∠BAE和∠AEC;(7)∠BAE和∠AED;(8)∠CAE和∠ACE;(9)∠CAE和∠ACD;
(10)∠CAE和∠AEC;(11)∠CAE和∠AED;(12)∠BAC和∠ACB;(13)∠AEC和∠BCE;
(14)∠D和∠DCE;(15)∠D和∠DEC;(16)∠D和∠DCA;(17)∠D和∠DEA;(18)∠CED和∠ECD.

Answer 2

同位角有:(1)∠B和∠DCA;(2)∠B和∠DCE;(3)∠D和∠BCE;(4)∠D和∠BCA.
内错角有:
直线BC和AE被AC所截:∠CAE和∠ACB;直线EA和CD被CE所截:∠CEA和∠直线AB和CE被AC所截:∠BAC和∠ACE;
直线AC和DE被CE所截:∠ACE和∠CED.
同旁内角有:(1)∠B和∠BCA;(2)∠B和∠BCE;(3)∠B和∠D;(4)∠B和∠BAC;(5)∠B和∠BAE;
(6)∠BAE和∠AEC;(7)∠BAE和∠AED;(8)∠CAE和∠ACE;(9)∠CAE和∠ACD;
(10)∠CAE和∠AEC;(11)∠CAE和∠AED;(12)∠BAC和∠ACB;(13)∠AEC和∠BCE;
(14)∠D和∠DCE;(15)∠D和∠DEC;(16)∠D和∠DCA;(17)∠D和∠DEA;(18)∠CED和∠ECD

Answer 3

同位角有:(1)∠B和∠DCA;(2)∠B和∠DCE;(3)∠D和∠BCE;(4)∠D和∠BCA.
内错角有:
(1)直线BC和AE被AC所截:∠CAE和∠ACB;
(2)直线EA和CD被CE所截:∠CEA和∠ECD;
(3)直线AB和CE被AC所截:∠BAC和∠ACE;
(4)直线AC和DE被CE所截:∠ACE和∠CED.

Answer 4

图呢？